fix compile error

Dockerfile.linux

@@ -0,0 +1,32 @@
+FROM ubuntu:latest
+
+ENV DEBIAN_FRONTEND=noninteractive
+
+# Install dependencies
+RUN apt-get update && apt-get install -y \
+	build-essential \
+	cmake \
+	ninja-build \
+	libsdl2-dev \
+	libsdl2-image-dev \
+	libsdl2-mixer-dev \
+	libsdl2-ttf-dev \
+	libfmt-dev \
+	libx11-dev \
+	x11-xserver-utils \
+	pulseaudio \
+	mesa-utils \
+	wget \
+	unzip
+
+# Set the working directory
+WORKDIR /app
+
+# Copy your source code into the container
+COPY . .
+
+# Build the application
+RUN cmake . && make
+
+# Command to run your application (optional)
+CMD ["./SDL_TD"]